Add agentic workflows page to website

Add a new /workflows/ page for browsing agentic workflow definitions
with search, trigger/tag filters, and sorting. Follows the same
patterns as the existing hooks page.

New files:
- website/src/pages/workflows.astro
- website/src/scripts/pages/workflows.ts

Updated files:
- BaseLayout.astro: add Workflows nav link
- index.astro: add Workflows card to homepage
- pages/index.ts: add workflows to counts
- utils.ts: add workflow type to icons, labels, and getResourceType

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

website/src/scripts/pages/workflows.ts

@@ -0,0 +1,235 @@
+/**
+ * Workflows page functionality
+ */
+import { createChoices, getChoicesValues, type Choices } from "../choices";
+import { FuzzySearch, type SearchItem } from "../search";
+import {
+  fetchData,
+  debounce,
+  escapeHtml,
+  getGitHubUrl,
+  getActionButtonsHtml,
+  setupActionHandlers,
+  getLastUpdatedHtml,
+} from "../utils";
+import { setupModal, openFileModal } from "../modal";
+
+interface Workflow extends SearchItem {
+  id: string;
+  path: string;
+  triggers: string[];
+  tags: string[];
+  lastUpdated?: string | null;
+}
+
+interface WorkflowsData {
+  items: Workflow[];
+  filters: {
+    triggers: string[];
+    tags: string[];
+  };
+}
+
+type SortOption = "title" | "lastUpdated";
+
+const resourceType = "workflow";
+let allItems: Workflow[] = [];
+let search = new FuzzySearch<Workflow>();
+let triggerSelect: Choices;
+let tagSelect: Choices;
+let currentFilters = {
+  triggers: [] as string[],
+  tags: [] as string[],
+};
+let currentSort: SortOption = "title";
+
+function sortItems(items: Workflow[]): Workflow[] {
+  return [...items].sort((a, b) => {
+    if (currentSort === "lastUpdated") {
+      const dateA = a.lastUpdated ? new Date(a.lastUpdated).getTime() : 0;
+      const dateB = b.lastUpdated ? new Date(b.lastUpdated).getTime() : 0;
+      return dateB - dateA;
+    }
+    return a.title.localeCompare(b.title);
+  });
+}
+
+function applyFiltersAndRender(): void {
+  const searchInput = document.getElementById(
+    "search-input"
+  ) as HTMLInputElement;
+  const countEl = document.getElementById("results-count");
+  const query = searchInput?.value || "";
+
+  let results = query ? search.search(query) : [...allItems];
+
+  if (currentFilters.triggers.length > 0) {
+    results = results.filter((item) =>
+      item.triggers.some((t) => currentFilters.triggers.includes(t))
+    );
+  }
+  if (currentFilters.tags.length > 0) {
+    results = results.filter((item) =>
+      item.tags.some((t) => currentFilters.tags.includes(t))
+    );
+  }
+
+  results = sortItems(results);
+
+  renderItems(results, query);
+  const activeFilters: string[] = [];
+  if (currentFilters.triggers.length > 0)
+    activeFilters.push(
+      `${currentFilters.triggers.length} trigger${
+        currentFilters.triggers.length > 1 ? "s" : ""
+      }`
+    );
+  if (currentFilters.tags.length > 0)
+    activeFilters.push(
+      `${currentFilters.tags.length} tag${
+        currentFilters.tags.length > 1 ? "s" : ""
+      }`
+    );
+  let countText = `${results.length} of ${allItems.length} workflows`;
+  if (activeFilters.length > 0) {
+    countText += ` (filtered by ${activeFilters.join(", ")})`;
+  }
+  if (countEl) countEl.textContent = countText;
+}
+
+function renderItems(items: Workflow[], query = ""): void {
+  const list = document.getElementById("resource-list");
+  if (!list) return;
+
+  if (items.length === 0) {
+    list.innerHTML =
+      '<div class="empty-state"><h3>No workflows found</h3><p>Try a different search term or adjust filters</p></div>';
+    return;
+  }
+
+  list.innerHTML = items
+    .map(
+      (item) => `
+    <div class="resource-item" data-path="${escapeHtml(item.path)}">
+      <div class="resource-info">
+        <div class="resource-title">${
+          query ? search.highlight(item.title, query) : escapeHtml(item.title)
+        }</div>
+        <div class="resource-description">${escapeHtml(
+          item.description || "No description"
+        )}</div>
+        <div class="resource-meta">
+          ${item.triggers
+            .map(
+              (t) =>
+                `<span class="resource-tag tag-trigger">${escapeHtml(t)}</span>`
+            )
+            .join("")}
+          ${item.tags
+            .map(
+              (t) =>
+                `<span class="resource-tag tag-tag">${escapeHtml(t)}</span>`
+            )
+            .join("")}
+          ${getLastUpdatedHtml(item.lastUpdated)}
+        </div>
+      </div>
+      <div class="resource-actions">
+        ${getActionButtonsHtml(item.path)}
+        <a href="${getGitHubUrl(
+          item.path
+        )}" class="btn btn-secondary" target="_blank" onclick="event.stopPropagation()" title="View on GitHub">GitHub</a>
+      </div>
+    </div>
+  `
+    )
+    .join("");
+
+  // Add click handlers for opening modal
+  list.querySelectorAll(".resource-item").forEach((el) => {
+    el.addEventListener("click", (e) => {
+      if ((e.target as HTMLElement).closest(".resource-actions")) return;
+      const path = (el as HTMLElement).dataset.path;
+      if (path) openFileModal(path, resourceType);
+    });
+  });
+}
+
+export async function initWorkflowsPage(): Promise<void> {
+  const list = document.getElementById("resource-list");
+  const searchInput = document.getElementById(
+    "search-input"
+  ) as HTMLInputElement;
+  const clearFiltersBtn = document.getElementById("clear-filters");
+  const sortSelect = document.getElementById(
+    "sort-select"
+  ) as HTMLSelectElement;
+
+  const data = await fetchData<WorkflowsData>("workflows.json");
+  if (!data || !data.items) {
+    if (list)
+      list.innerHTML =
+        '<div class="empty-state"><h3>Failed to load data</h3></div>';
+    return;
+  }
+
+  allItems = data.items;
+  search.setItems(allItems);
+
+  // Setup trigger filter
+  triggerSelect = createChoices("#filter-trigger", {
+    placeholderValue: "All Triggers",
+  });
+  triggerSelect.setChoices(
+    data.filters.triggers.map((t) => ({ value: t, label: t })),
+    "value",
+    "label",
+    true
+  );
+  document.getElementById("filter-trigger")?.addEventListener("change", () => {
+    currentFilters.triggers = getChoicesValues(triggerSelect);
+    applyFiltersAndRender();
+  });
+
+  // Setup tag filter
+  tagSelect = createChoices("#filter-tag", {
+    placeholderValue: "All Tags",
+  });
+  tagSelect.setChoices(
+    data.filters.tags.map((t) => ({ value: t, label: t })),
+    "value",
+    "label",
+    true
+  );
+  document.getElementById("filter-tag")?.addEventListener("change", () => {
+    currentFilters.tags = getChoicesValues(tagSelect);
+    applyFiltersAndRender();
+  });
+
+  sortSelect?.addEventListener("change", () => {
+    currentSort = sortSelect.value as SortOption;
+    applyFiltersAndRender();
+  });
+
+  applyFiltersAndRender();
+  searchInput?.addEventListener(
+    "input",
+    debounce(() => applyFiltersAndRender(), 200)
+  );
+
+  clearFiltersBtn?.addEventListener("click", () => {
+    currentFilters = { triggers: [], tags: [] };
+    currentSort = "title";
+    triggerSelect.removeActiveItems();
+    tagSelect.removeActiveItems();
+    if (searchInput) searchInput.value = "";
+    if (sortSelect) sortSelect.value = "title";
+    applyFiltersAndRender();
+  });
+
+  setupModal();
+  setupActionHandlers();
+}
+
+// Auto-initialize when DOM is ready
+document.addEventListener("DOMContentLoaded", initWorkflowsPage);